Home / 4,285.52-6,428.42-1,324.04

Finding the Fourth Proportional to 4,285.52, 6,428.42 and 1,324.04

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Solution

The fourth proportional to 4,285.52, 6,428.42 and 1,324.04 is: 1,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.52 : 6,428.42 = 1,324.04 : x
  2. Step 2: Convert to fraction form
    4,285.52/6,428.42 = 1,324.04/x
  3. Step 3: Cross multiply
    4,285.52x = 6,428.42 × 1,324.04
  4. Step 4: Simplify right side
    4,285.52x = 8,511,485.22
  5. Step 5: Solve for x
    x = 8,511,485.22/4,285.52
  6. Step 6: Final answer
    x = 1,986.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.